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Paper Abstract and Keywords
Presentation 2020-08-21 11:20
[Encouragement Talk] A Study on Dual Control of Transmit Power and Beam Directivity for Flexible Resource Allocation in HTS Communication System
Masaki Takahashi, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) SAT2020-21
Abstract (in Japanese) (See Japanese page) 
(in English) With the diversification of communication applications in the wireless communication environment, high-throughput satellites (HTSs), which aim to increase the communication capacity and communication flexibility, are attracting attention in the field of satellite communication. In the current HTSs, the allocation of communication resources is fixed after launch, so that the efficiency of communication resource utilization is reduced when traffic requests are uneven in time and geography. To solve this problem, various control functions such as digital beamforming (DBF), digital channelizer and beam hopping have been incorporated into HTSs to improve the efficiency of communication resource allocation in recent years. In order to realize flexible power resource allocation according to the geographical distribution of traffic requirements, our research group has been studying on a simultaneous control of the transmit power and the size of the beam directivity of each spot beam and a multi-spot beam placement optimization to improve the total system throughput in the entire coverage area for a DBF-based HTS communication system. In this paper, as an extension of these studies, we propose a flexible resource allocation model that combines these studies using an HTS communication system with DBF.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite Communication System / High Throughput Satellite / Digital Beam Forming / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 129, SAT2020-21, pp. 59-64, Aug. 2020.
Paper # SAT2020-21 
Date of Issue 2020-08-13 (SAT) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SAT RCS  
Conference Date 2020-08-20 - 2020-08-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SAT 
Conference Code 2020-08-SAT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Dual Control of Transmit Power and Beam Directivity for Flexible Resource Allocation in HTS Communication System 
Sub Title (in English)  
Keyword(1) Satellite Communication System  
Keyword(2) High Throughput Satellite  
Keyword(3) Digital Beam Forming  
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1st Author's Name Masaki Takahashi  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Yuichi Kawamoto  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Nei Kato  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2020-08-21 11:20:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2020-21 
Volume (vol) vol.120 
Number (no) no.129 
Page pp.59-64 
#Pages 6 
Date of Issue 2020-08-13 (SAT) 

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